<template>
  <div class="wrapper">
    <!-- header部分 -->
    <header>
      <p>商家登录</p>
    </header>

    <!-- 表单部分 -->
    <ul class="form-box">
      <li>
        <div class="title">商家账号：</div>
        <div class="content">
          <input type="text" v-model="businessId" placeholder="请输入商家账号" />
        </div>
      </li>
      <li>
        <div class="title">密码：</div>
        <div class="content">
          <input type="password" v-model="password" placeholder="请输入密码" />
        </div>
      </li>
    </ul>

    <div class="button-login">
      <button @click="login">登录</button>
    </div>
    <div class="button-register">
      <button @click="register">商家注册</button>
    </div>

    <!-- 底部菜单部分 -->
    <Footer></Footer>
  </div>
</template>

<script setup>
import Footer from "../components/Footer.vue";
import qs from "qs";
import { useRouter } from "vue-router";
import { ref, inject } from "vue";
import { setSessionStorage } from "../common.js";

const axios = inject("axios");
const router = useRouter();

const businessId = ref("");
const password = ref("");

const login = () => {
  if (businessId.value == "") {
    alert("商家账号不能为空！");
    return;
  }
  if (password.value == "") {
    alert("密码不能为空！");
    return;
  }

  axios
    .post(
      "/BusinessLoginServlet",
      qs.stringify({
        businessId: businessId.value,
        password: password.value,
      })
    )
    .then((response) => {
      console.log("商家登录响应:", response);
      
      if (response && response.success) {
        alert("登录成功！");
        
        // 获取商家详细信息
        axios.get(`/api/BusinessController/getBusinessById?businessId=${businessId.value}`)
          .then((businessInfo) => {
            console.log("商家信息:", businessInfo);
            if (businessInfo) {
              // 保存商家信息到sessionStorage
              setSessionStorage("business", businessInfo);
              console.log("商家信息已保存到sessionStorage");
              
              // 跳转到商家管理页面
              router.push({ path: '/businessManage' });
            } else {
              alert("获取商家信息失败！");
            }
          })
          .catch((error) => {
            console.error("获取商家信息出错:", error);
            alert("获取商家信息失败，请重新登录");
          });
          
      } else {
        alert(response.message || "商家账号或密码错误！");
      }
    })
    .catch((error) => {
      console.error("商家登录请求出错:", error);
      alert("登录失败，请检查网络连接");
    });
};

const register = () => {
  router.push({ path: "/businessRegister" });
};
</script>

<style scoped>
/****************** 总容器 ******************/
.wrapper {
  width: 100%;
  height: 100%;
}

/****************** header部分 ******************/
.wrapper header {
  width: 100%;
  height: 12vw;
  background-color: #0097ff;
  color: #fff;
  font-size: 4.8vw;

  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;

  display: flex;
  justify-content: center;
  align-items: center;
}

/****************** 表单部分 ******************/
.wrapper .form-box {
  width: 100%;
  margin-top: 12vw;
}

.wrapper .form-box li {
  box-sizing: border-box;
  padding: 4vw 3vw 0 3vw;
  display: flex;
  align-items: center;
}

.wrapper .form-box li .title {
  flex: 0 0 18vw;
  font-size: 3vw;
  font-weight: 700;
  color: #666;
}

.wrapper .form-box li .content {
  flex: 1;
}

.wrapper .form-box li .content input {
  border: none;
  outline: none;
  width: 100%;
  height: 4vw;
  font-size: 3vw;
}

.wrapper .button-login {
  width: 100%;
  box-sizing: border-box;
  padding: 4vw 3vw 0 3vw;
}

.wrapper .button-login button {
  width: 100%;
  height: 10vw;
  font-size: 3.8vw;
  font-weight: 700;
  color: #fff;
  background-color: #38ca73;
  border-radius: 4px;

  border: none;
  outline: none;
}

.wrapper .button-register {
  width: 100%;
  box-sizing: border-box;
  padding: 4vw 3vw 0 3vw;
}

.wrapper .button-register button {
  width: 100%;
  height: 10vw;
  font-size: 3.8vw;
  font-weight: 700;
  /*与上面登陆按钮不同的只有颜色、背景色、边框不同*/
  color: #666;
  background-color: #eee;
  border: solid 1px #ddd;
  border-radius: 4px;

  border: none;
  outline: none;
}

/****************** 底部菜单部分 ******************/
.wrapper .footer {
  width: 100%;
  height: 14vw;
  border-top: solid 1px #ddd;
  background-color: #fff;

  position: fixed;
  left: 0;
  bottom: 0;

  display: flex;
  justify-content: space-around;
  align-items: center;
}

.wrapper .footer li {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;

  color: #999;
  user-select: none;
  cursor: pointer;
}

.wrapper .footer li p {
  font-size: 2.8vw;
}

.wrapper .footer li i {
  font-size: 5vw;
}
</style> 